著者
DAVID G. MARTIN CAROLYN BILES SHIRLEY A. GERPHEIDE LADISLAV J. HANKA WILLIAM C. KRUEGER J. PATRICK MCGOVREN STEPHEN A. MIZSAK GARY L. NEIL JULIANNA C. STEWART JERONIMO VISSER
出版者
JAPAN ANTIBIOTICS RESEARCH ASSOCIATION
雑誌
The Journal of Antibiotics (ISSN:00218820)
巻号頁・発行日
vol.34, no.9, pp.1119-1125, 1981 (Released:2006-04-12)
参考文献数
8
被引用文献数
80 104

( Received for publication June 15, 1981)CC-1065 (NSC 298223) is a potent new antitumor antibiotic with a unique structure produced by Streptomyces zelensis. Improved production, isolation, and assay methods are described along with physico-chemical properties and antitumor activity.
著者
J. PATRICK MCGOVREN GEORGE L. CLARKE EVELYN A. PRATT THOMAS F. DEKONING
出版者
JAPAN ANTIBIOTICS RESEARCH ASSOCIATION
雑誌
The Journal of Antibiotics (ISSN:00218820)
巻号頁・発行日
vol.37, no.1, pp.63-70, 1984 (Released:2006-04-19)
参考文献数
14
被引用文献数
78 115

It was previously shown that the potent new DNA-binding antibiotic, CC-1065, prolonged life span, but was not curative, when administered to mice bearing a variety of transplantable tumors. In this paper we show results of preliminary studies indicating that CC-1065 caused lethal delayed hepatotoxicity at therapeutic antineoplastic doses. In non-tumor-bearing mice toxic deaths were delayed ca 50 days after a single iv dose of 12.5μg/kg and as much as 70 days after 10μg/kg was given ip. Intravenous mouse LD50's were 9μg/kg, single dose, and 0.3μg/kg/day, five daily doses. Intraperitoneal LD50's were 0.53-6.90μg/kg, single dose, and 0.14μg/kg/day, five daily doses. Mice treated with high doses iv died within 12 days with frank hepatic necrosis, whereas delayed deaths at lower doses were associated with changes in hepatic mitochondrial morphology. This suggested that separate mechanisms of hepatotoxicity were operative at high and low dose ranges. Attempts to prevent the delayed toxicity of CC-1065 in the mouse by treatment with WR-2721, N-acetylcysteine, phenobarbital, Aroclor 1254, and 3-methylcholanthrene were unsuccessful; no effect on the LD50 or the times of death was observed. Lethal doses in the rabbit were similar on a body surface area basis to those in the mouse; evidence of hepatotoxicity was also observed in the rabbit.